/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';

angular.module('ambariAdminConsole')
.factory('getDifference', [function() {
	return function(oldArr, newArr) {
    var result = {
      add: [],
      del: []
    };
    angular.forEach(newArr, function(item) {
      var itemIndex = oldArr.indexOf(item);
      if(itemIndex >= 0){
        oldArr.splice(itemIndex, 1);
      } else {
        result.add.push(item);
      }
    });

    result.del = oldArr;

    return result;
  };
}]);